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log/slog: export Source method in Record for custom handler support

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Currently, the `source` method in `slog.Record` is not accessible to
custom handlers, requiring developers to re-implement logic for
retrieving source location information. This commit exports the `source`
method as `Source`, enabling consistent access for custom logging
handlers and reducing code redundancy.

Fixes #70280

Change-Id: I3eb3bc60658abc5de95697a10bddd11ab54c6e13
GitHub-Last-Rev: 5c37e88ee5
GitHub-Pull-Request: golang/go#70281
This commit is contained in:
nesty92 2024-11-11 09:32:03 +00:00 committed by Ernesto Alejandro Santana Hidalgo
parent 583d750fa1
commit 9121c71a6e
No known key found for this signature in database
5 changed files with 6 additions and 6 deletions
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2
src/log/slog/handler.go
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@ -294,7 +294,7 @@ func (h *commonHandler) handle(r Record) error {
} }
// source // source
if h.opts.AddSource { if h.opts.AddSource {
state.appendAttr(Any(SourceKey, r.source())) state.appendAttr(Any(SourceKey, r.Source()))
} }
key = MessageKey key = MessageKey
msg := r.Message msg := r.Message

2
src/log/slog/handler_test.go
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@ -530,7 +530,7 @@ func TestJSONAndTextHandlers(t *testing.T) {
}, },
} { } {
r := NewRecord(testTime, LevelInfo, "message", callerPC(2)) r := NewRecord(testTime, LevelInfo, "message", callerPC(2))
line := strconv.Itoa(r.source().Line) line := strconv.Itoa(r.Source().Line)
r.AddAttrs(test.attrs...) r.AddAttrs(test.attrs...)
var buf bytes.Buffer var buf bytes.Buffer
opts := HandlerOptions{ReplaceAttr: test.replace, AddSource: test.addSource} opts := HandlerOptions{ReplaceAttr: test.replace, AddSource: test.addSource}

2
src/log/slog/logger_test.go
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@ -185,7 +185,7 @@ func TestCallDepth(t *testing.T) {
const wantFunc = "log/slog.TestCallDepth" const wantFunc = "log/slog.TestCallDepth"
const wantFile = "logger_test.go" const wantFile = "logger_test.go"
wantLine := startLine + count*2 wantLine := startLine + count*2
got := h.r.source() got := h.r.Source()
gotFile := filepath.Base(got.File) gotFile := filepath.Base(got.File)
if got.Function != wantFunc || gotFile != wantFile || got.Line != wantLine { if got.Function != wantFunc || gotFile != wantFile || got.Line != wantLine {
t.Errorf("got (%s, %s, %d), want (%s, %s, %d)", t.Errorf("got (%s, %s, %d), want (%s, %s, %d)",

4
src/log/slog/record.go
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@ -211,11 +211,11 @@ func (s *Source) group() Value {
return GroupValue(as...) return GroupValue(as...)
} }
// source returns a Source for the log event. // Source returns a Source for the log event.
// If the Record was created without the necessary information, // If the Record was created without the necessary information,
// or if the location is unavailable, it returns a non-nil *Source // or if the location is unavailable, it returns a non-nil *Source
// with zero fields. // with zero fields.
func (r Record) source() *Source { func (r Record) Source() *Source {
fs := runtime.CallersFrames([]uintptr{r.PC}) fs := runtime.CallersFrames([]uintptr{r.PC})
f, _ := fs.Next() f, _ := fs.Next()
return &Source{ return &Source{

2
src/log/slog/record_test.go
View File

@ -56,7 +56,7 @@ func TestRecordSource(t *testing.T) {
pc = callerPC(test.depth + 1) pc = callerPC(test.depth + 1)
} }
r := NewRecord(time.Time{}, 0, "", pc) r := NewRecord(time.Time{}, 0, "", pc)
got := r.source() got := r.Source()
if i := strings.LastIndexByte(got.File, '/'); i >= 0 { if i := strings.LastIndexByte(got.File, '/'); i >= 0 {
got.File = got.File[i+1:] got.File = got.File[i+1:]
} }